Bonjour,
1) 66 € - 5% de 66 € = 66 € × 0,95 = 62,70 €
2) 69,45 - 62,70 = 6,75
6,75 ÷ 62,70 × 100 = 10,7655.... ≅ 10,8 (%)
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Bonjour,
1) 66 € - 5% de 66 € = 66 € × 0,95 = 62,70 €
2) 69,45 - 62,70 = 6,75
6,75 ÷ 62,70 × 100 = 10,7655.... ≅ 10,8 (%)